CN104105875A - Cryogenic pump - Google Patents

Cryogenic pump Download PDF

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Publication number
CN104105875A
CN104105875A CN201280058357.4A CN201280058357A CN104105875A CN 104105875 A CN104105875 A CN 104105875A CN 201280058357 A CN201280058357 A CN 201280058357A CN 104105875 A CN104105875 A CN 104105875A
Authority
CN
China
Prior art keywords
chamber
sheath
pump
pumping chamber
cryogenic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201280058357.4A
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Chinese (zh)
Other versions
CN104105875B (en
Inventor
P.帕皮雷尔
S.斯甘巴蒂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cryostar SAS
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Cryostar SAS
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Publication date
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Publication of CN104105875A publication Critical patent/CN104105875A/en
Application granted granted Critical
Publication of CN104105875B publication Critical patent/CN104105875B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
    • F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/20—Filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F04B2015/081—Liquefied gases
    • F04B2015/0822—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F04B2015/081—Liquefied gases
    • F04B2015/0824—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • F17C2227/0142—Pumps with specified pump type, e.g. piston or impulsive type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps
    • F17C2227/015—Pumps with cooling of the pump
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/794—With means for separating solid material from the fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Compressor (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

A reciprocating cryogenic pump (2) comprises a piston reciprocable within a pumping chamber (44). The pumping chamber (44) has an inlet suction valve (48) for cryogenic liquid to be pumped and an outlet (32) for high pressure cryogenic liquid. The inlet valve (48) for the cryogenic liquid communicates with a cryogenic liquid reception chamber (46) in the cold end or head (6) of the pump (2). The pump head (6) is at least partially surrounded by a first jacket (8) retaining primary vacuum insulation. The first jacket (8) is itself at least partly surrounded by a second jacket (10). The jacket (10) defines a chamber for the reception of a coolant fluid such as liquid nitrogen and the second jacket has an inlet (20) and an outlet (22) for the liquid nitrogen. The thermal insulation can be further enhanced by a trapped gas space (73) between the first jacket (8) and an inner sleeve (52), the latter defining with an outer sleeve (50) vacuum insulation for the pumping chamber (44).

Description

Cryopump
Technical field
The present invention relates to a kind of cryopump and specificly relate to a kind of low temperature reciprocating pump.
Background technique
Cryopump be know and use becoming in the industry more and more.In an example, motor vehicle now use hydrogen as fuel.Some such vehicle is suitable for storing liquid hydrogen.Therefore need the liquid hydrogen that is similar to conventional gas station to fill station.This filling station need to be equipped with cryopump, and cryopump can generate high pressure up to for example seven hectobar gauge pressures (bar gauge) to liquid hydrogen is transferred to the storage tank of the each motor vehicle that are filled from central repository.But, in the time of pumping cryogenic liquide, particularly liquid hydrogen and liquid helium, produce many practical problems.A special problem is the trend of cryogenic liquide due to the cavitation in caused pump of vaporizing from environment heat absorption.Cavitation may cause the damage of pump itself and also may hinder the actual pumping of cryogenic liquide from storage tank.
Conventional reciprocating cryopump has elongate housing conventionally, wherein, makes piston to-and-fro motion in pumping chamber, and pumping chamber has the entrance and exit for cryogenic liquide.Entrance receives chamber to be communicated with the cryogenic liquide in pump head.Make pump head thermal insulation even known, cavitation still may occur, particularly at pump during starts.
Summary of the invention
According to the present invention, a kind of reciprocating cryopump is provided, it comprises: piston, it can move back and forth in pumping chamber; To pumping chamber for treating the entrance of cryogenic liquide of pumping; Outlet from pumping chamber for high pressure low temperature liquid; Cryogenic liquide is received chamber, it is used for receiving cryogenic liquide from cryogenic fluid source in pump head, cryogenic liquide receives chamber to comprise degasification outlet, degasification outlet is for during cooling discharging the cryogenic liquide of vaporization from receiving chamber, wherein said pump head is surrounded by the first sheath at least in part, the first sheath keeps vacuum insulation, and itself is surrounded the first sheath by the second sheath at least in part, the second sheath limits the chamber that is used for receiving coolant fluid, and the second sheath has the entrance and exit for coolant fluid.
Conventionally, low temperature reciprocating pump according to the present invention has the one or more features in following additional features:
Entrance suction valve, it is used for allowing cryogenic liquide from receiving chamber to be delivered to pumping chamber in the middle of receiving chamber and pumping chamber;
At the filter of receiving in chamber, it is used for limiting solid particle and enters into pumping chamber from pump outside;
For the vacuum insulation sheath of pumping chamber.
If desired, degasification outlet can be communicated with the gas phase in storage tank, and storage tank serves as cryogenic fluid source.Therefore the steam of cryogenic liquide forming in pump cooling period is not lost.
Vacuum insulation sheath can comprise inner sleeve and outer sleeve, limits vacuum insulation space between inner sleeve and outer sleeve.Preferably, in the middle of described inner sleeve and described the first sheath, limit a kind of annular gas space of sealing.
Brief description of the drawings
Describe according to reciprocating cryopump of the present invention, in the accompanying drawings in illustrational mode with reference to accompanying drawing:
Fig. 1 is the overall perspective view of pump;
Fig. 2 is the partial side view in cross section of the cold junction of the pump shown in Fig. 1, has wherein omitted the second sheath;
Fig. 3 is partial cross section's diagrammatic side view of the cold junction flooded suction of the pump shown in Fig. 1 and Fig. 2, comprising the second sheath.
Accompanying drawing may not proportionally be drawn.
Embodiment
With reference to accompanying drawing 1, low temperature reciprocating pump 2 is substantially cylindrical configuration.Pump 2 is illustrated with respect to level to be settled with smaller angle, but can have any orientation.Pump has warm end 4 and cold junction (or head) 6.At warm end 4 places of pump 2, be provided with the mechanism (not shown) for driving the piston in described pump 2.Conventionally, adopt electric driver, but can alternatively use hydraulic pressure, pneumatic or mechanical actuation device.Be used for driving being arranged as of described pump conventional and without further describing in this article.
At cold junction (head) 6 places of pump 2, a kind of the first sheath 8(of main vacuum insulation that keeping is set referring to Fig. 2 and Fig. 3) and a kind of the second sheath 10 that surrounds the first sheath 8 far-ends.The second sheath 10 limits the chamber that is used for receiving coolant fluid (being generally liquid nitrogen).The second sheath 10 has near-end, and near-end is arranged at the first flange 12 places.The second sheath 10 is formed by two adjacent parts conventionally, and these two adjacent parts are bound up by the second flange 14.The other details of configuration of the second sheath 10 will be described with reference to Figure 3 hereinafter.Head or the cold junction 6 of pump 2 end at vacuum insulation nozzle 16, and vacuum insulation nozzle 16 extends from the far-end of pump 2.Nozzle 16 is suitable for being connected to first paragraph flexible pipe, first paragraph soft pipe connection liquid hydrogen or liquid helium source (not shown).The second sheath 10 has the entrance 20 of to cryogenic coolant source (for example liquid nitrogen) and the outlet 22 for the steam of this freezing mixture.Pump 2 also has the degasification outlet link 30 for the helium through vaporization or hydrogen, conventionally connects liquid hydrogen or the helium source for the treatment of pumping by one section of flexible pipe (not shown) 2.Pump 2 has the outlet 32 for high-pressure liquid hydrogen or helium extraly.
The internal placement of pump 2 has been shown in Fig. 2 and Fig. 3.Pump 2 possesses cylinder 40, during pump operated, and piston 42 to-and-fro motion in cylinder 40.Between cylinder 40 and piston 42, limit pumping chamber 44, pumping chamber 44 is communicated with liquid hydrogen for pumping or the outlet 32 of liquid helium.Permit liquid hydrogen or liquid helium enters pump by nozzle 16.Nozzle 16 guides to liquid hydrogen or liquid helium in cryogenic liquide receiving chamber 46, and cryogenic liquide receives chamber 46 to be communicated with by entrance suction valve 48 and 44 one-tenth series connection of pumping chamber.Receive chamber 46 to be also communicated with degasification outlet link 30.Liquid hydrogen or liquid helium are by conical filter 49 substantially from receiving chamber 46 to the transmission of pumping chamber 44, and conical filter 49 is suitable for receiving the interior maintenance of chamber 46 may cause to the moving parts of pump 2 any solid particle of damage substantially.Receive chamber 46 to be surrounded by the first sheath 8.The first sheath 8 extends to the vacuum insulation of nozzle 16 is provided around the whole nozzle 16 except nozzle 16 tops.Cylinder 40 also possesses vacuum insulation.For this vacuum insulation is provided, pump 2 has inner sleeve 52 and outer sleeve 50.Space between sleeve 50 and 52 maintains emptying state.Sleeve 50 and 52 possesses the closure member 53 of vacuum sealing, utilizes bolt 54 that the assembling set for the first sheath 8 56 is firmly secured to vacuum sealing closure member 53.The sealing arrangement 59 of vacuum sealing is also arranged between the near-end and the first sheath 8 of receiving chamber 46.
Plastic seal 73(is made up of PIFE compound conventionally) be present between the first sheath 8 and sleeve 52 to obtain the insulation gas phase in closed space 74.During pump operated, Sealing allows a small amount of cryogenic liquide to enter in space 74.This vaporizing liquid and the gas forming are trapped.Gas at rest contributes to receive the thermal insulation of chamber 46.
Figure 3 illustrates the second sheath 10.The second sheath 10 surrounds those parts of the near-end that makes nozzle 16 of the first sheath 8, the far-end of receiving chamber 46 and outlet 30 insulation.As shown in Figure 1, the second sheath 10 is formed by two major sections 60 and 62.Two portion's sections 60 and 62 are bound up by the second flange 14, and the second flange 14 compresses desirable seal 64.The second sheath 10 is by backboard 66 closures, and backboard 66 is connected in place by the first flange 12, and desirable seal 68 is arranged between backboard 66 and the first flange 12.The second sheath 10 is affixed to nozzle 16 vacuum insulation thing around by another flange 70, and another flange 70 possesses appropriate seal mechanism 72.The second sheath 10 is defined for the chamber of cryogenic coolant such as liquid nitrogen.Permit cryogenic coolant by entrance 20 and conventionally fill the chamber being limited by the second sheath 10 approaching its top (as shown in Figure 3).The nitrogen steam obtaining flows out from the second sheath 10 by exporting 22.
In the operation of pump 2, the second sheath 10 be filled at the cryogenic liquide (liquid nitrogen) of-196 DEG C and atmospheric pressure in case permitting liquid helium or liquid hydrogen enter before cooling cold junction 6.Also should recognize the in the situation that of liquid hydrogen, pump must be cooled to-250 DEG C from the temperature of+20 DEG C conventionally.The in the situation that of liquid helium, need even lower pumping temperature.By realize the precooling of cold junction 6 of pump 2 with liquid nitrogen, reduce the loss of liquid hydrogen or liquid helium and shortened to be used for realizing cooling cumulative time.Arrive-196 DEG C once the chamber temp being limited by the second sheath 10 (compared with the situation that starts to occur with cooling procedure, it is indicated by the nitrogen speed significantly reducing of vaporizing) situation under, can start the to-and-fro motion of piston 42, so that from liquid hydrogen or liquid helium source (not shown) suction liquid hydrogen or liquid helium to receive chamber 46 interior and therefrom by inlet valve in pumping chamber 44, in pumping chamber 44, its pressure is increased to may be up to the set point value of 700 bar.The liquid hydrogen through pressurization obtaining or liquid helium discharge by outlet 32 from pump.Preferably, during pumping liquid helium or liquid hydrogen, maintaining liquid nitrogen to the supply of the second sheath inside so that the generation of cavitation in the thermal insulation providing in pump period being provided and reducing pump.

Claims (6)

1. a reciprocating cryopump, it comprises the piston that can move back and forth in pumping chamber;
Be used for the entrance of the cryogenic liquide for the treatment of pumping to described pumping chamber;
Outlet from described pumping chamber for high pressure low temperature liquid;
Cryogenic liquide is received chamber, it is used for receiving cryogenic liquide from cryogenic fluid source in pump head, described cryogenic liquide receives chamber to comprise degasification outlet, described degasification outlet is for during cooling discharging the cryogenic liquide of vaporization from described receiving chamber, wherein said pump head is surrounded by the first sheath at least in part, the first sheath keeps insulation, and described the first sheath itself is surrounded by the second sheath at least in part, described the second sheath limits the chamber that is used for receiving coolant fluid, and described the second sheath has the entrance and exit for coolant fluid.
2. cryopump according to claim 1, comprising: entrance suction valve, it is used for allowing cryogenic liquide to be delivered to described pumping chamber from described receiving chamber in the middle of described receiving chamber and described pumping chamber.
3. according to claim 1 or cryopump claimed in claim 2, comprising: the filter in described receiving chamber, it is used for limiting solid particle and enters into described pumping chamber from described pump outside.
4. according to low temperature reciprocating pump in any one of the preceding claims wherein, it is characterized in that, described pumping chamber possesses inner sleeve and outer sleeve, between described inner sleeve and described outer sleeve, limits vacuum insulation space.
5. cryopump according to claim 4, is characterized in that, limits the annular gas space of sealing in the middle of described inner sleeve and described the first sheath.
6. according to cryopump in any one of the preceding claims wherein, it is characterized in that, described degasification outlet is communicated with the gas phase in storage tank, and described storage tank serves as described cryogenic fluid source.
CN201280058357.4A 2011-11-29 2012-11-26 Cryogenic pump Active CN104105875B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20110290549 EP2600001B1 (en) 2011-11-29 2011-11-29 Cryogenic pumps
EP11290549.2 2011-11-29
PCT/IB2012/002468 WO2013080006A1 (en) 2011-11-29 2012-11-26 Cryogenic pumps

Publications (2)

Publication Number Publication Date
CN104105875A true CN104105875A (en) 2014-10-15
CN104105875B CN104105875B (en) 2017-10-31

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CN201280058357.4A Active CN104105875B (en) 2011-11-29 2012-11-26 Cryogenic pump

Country Status (8)

Country Link
US (1) US9765762B2 (en)
EP (1) EP2600001B1 (en)
JP (1) JP6170499B2 (en)
KR (1) KR101912489B1 (en)
CN (1) CN104105875B (en)
CA (1) CA2856806C (en)
ES (1) ES2527505T3 (en)
WO (1) WO2013080006A1 (en)

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CN105422413A (en) * 2015-11-25 2016-03-23 湖南耐普泵业股份有限公司 Cryogenic pump
CN107524579A (en) * 2017-09-26 2017-12-29 安徽万瑞冷电科技有限公司 A kind of cryogenic pump
CN110192032A (en) * 2017-02-03 2019-08-30 伊格尔工业股份有限公司 Liquid-supplying system
CN110312906A (en) * 2016-12-23 2019-10-08 西港能源有限公司 Device and method for filtering cryogen
CN117662451A (en) * 2023-11-27 2024-03-08 烟台东德氢能技术有限公司 Submerged type cold insulation method of high-pressure liquid hydrogen pump

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DE102015003943A1 (en) * 2015-03-26 2016-09-29 Linde Aktiengesellschaft Apparatus and method for dosing fluids
JP6584175B2 (en) * 2015-07-07 2019-10-02 株式会社前川製作所 Cryogenic liquid pump
US9915250B2 (en) * 2015-08-24 2018-03-13 Caterpillar Inc. Hydraulic drive system for cryogenic pump
FR3057916B1 (en) 2016-10-24 2021-11-05 Cryostar Sas CRYOGENIC PUMP
CN110578682A (en) * 2018-06-07 2019-12-17 张家港中集圣达因低温装备有限公司 Pump connecting device of low-temperature pump pool and low-temperature pump pool
CN109798233B (en) * 2019-03-25 2020-10-09 中盐安徽红四方股份有限公司 Improved deep cooling liquid pump
KR102382035B1 (en) * 2020-07-22 2022-04-01 박희주 Reciprocal pump using linear motor
KR102381667B1 (en) * 2020-11-17 2022-03-31 박희주 Cryogenic reciprocating pump
CN113820098B (en) * 2021-08-31 2024-03-15 北京宇航***工程研究所 Liquid nitrogen cavitation test verification system and bubble generation process observation method
FR3135760A1 (en) * 2022-05-23 2023-11-24 Fives Cryomec Ag Cryogenic pump

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CN105422413A (en) * 2015-11-25 2016-03-23 湖南耐普泵业股份有限公司 Cryogenic pump
CN105422413B (en) * 2015-11-25 2018-11-20 湖南耐普泵业股份有限公司 Cryogenic pump
CN110312906A (en) * 2016-12-23 2019-10-08 西港能源有限公司 Device and method for filtering cryogen
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CN117662451A (en) * 2023-11-27 2024-03-08 烟台东德氢能技术有限公司 Submerged type cold insulation method of high-pressure liquid hydrogen pump

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EP2600001A1 (en) 2013-06-05
CN104105875B (en) 2017-10-31
JP6170499B2 (en) 2017-07-26
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ES2527505T3 (en) 2015-01-26
CA2856806A1 (en) 2013-06-06
US9765762B2 (en) 2017-09-19
JP2015501901A (en) 2015-01-19
WO2013080006A1 (en) 2013-06-06
CA2856806C (en) 2019-04-23
KR101912489B1 (en) 2018-10-26
US20150013351A1 (en) 2015-01-15

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